Home / 10,120.52-15,177.12-4,277.58

Finding the Fourth Proportional to 10,120.52, 15,177.12 and 4,277.58

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Solution

The fourth proportional to 10,120.52, 15,177.12 and 4,277.58 is: 6,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.52 : 15,177.12 = 4,277.58 : x
  2. Step 2: Convert to fraction form
    10,120.52/15,177.12 = 4,277.58/x
  3. Step 3: Cross multiply
    10,120.52x = 15,177.12 × 4,277.58
  4. Step 4: Simplify right side
    10,120.52x = 64,921,344.97
  5. Step 5: Solve for x
    x = 64,921,344.97/10,120.52
  6. Step 6: Final answer
    x = 6,414.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.